.circle-block {
    position: relative;
    left: 50%;
    margin-left: -100px;
    background-color: #2b669a;
    width: 200px;
    height: 200px;
    border-radius: 100px;
    color: #FFFFFF;
}
.circle-block .cb-center {
    position: absolute;
    text-align: center;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.circle-block .cb-num {
    font-size: 25px;
}